4 Years Available
Audi A4 Cabriolet Light Bulb Sizes
Complete bulb size reference for the Audi A4 Cabriolet from 2003 to 2006. Find headlight, fog light, turn signal, and brake light bulb sizes for every model year.
Our database lists the same H7 low beam bulb for Audi a4-cabriolet entries from 2003 to 2006. Confirm your trim and factory lighting package before buying.
Year Range
2003 – 2006
4 model yearsBulb Sizes Across Years
| Position | Bulb Type(s) | Years | Status / Shop |
|---|---|---|---|
| High Beam | H7(2003–2006) H11(2005–2005) | 4 years | Changed |
| Low Beam | H7(2003–2006) | 4 years | Consistent |
| Fog Light | H11(2003–2006) | 4 years | Consistent |
| Side Marker | 3457NA(2003–2006) | 4 years | Consistent |
| Turn Signal Rear | 7507(2003–2006) | 4 years | Consistent |
| Parking Light | 3457NA(2003–2006) | 4 years | Consistent |
| Door Light | W5W(2003–2006) | 4 years | Consistent |
| Trunk Light | W5W(2003–2006) | 4 years | Consistent |
Common A4 Cabriolet Replacement Parts
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Frequently Asked Questions
We have bulb size data for the Audi A4-Cabriolet from 2003 to 2006, covering 4 model years. Select your year below for a complete position-by-position bulb chart.
No, the Audi A4-Cabriolet has used the H7 low beam bulb consistently across all 4 model years in our database. Any year in the 2003–2006 range uses the same bulb.
The Audi A4-Cabriolet uses a H7 bulb for the low beam (same bulb serves both high and low beam via dual filament), and a H11 for the fog lights. Select your year below for the exact fitment chart.
Yes. The Audi A4-Cabriolet uses a H7 low beam, and direct-fit LED conversion kits for that size are widely available. LED upgrades typically produce 2–3× more light output than stock halogen and last 25,000+ hours. Look for a DOT-compliant kit with a proper beam cutoff pattern.
Select your model year from the list below. Each year page shows every bulb position — low beam, high beam, fog light, turn signal, and brake light — with the correct size and a link to buy it on Amazon.